/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:08:13,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:08:13,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:08:13,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:08:13,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:08:13,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:08:13,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:08:13,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:08:13,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:08:13,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:08:13,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:08:13,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:08:13,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:08:13,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:08:13,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:08:13,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:08:13,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:08:13,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:08:13,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:08:13,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:08:13,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:08:13,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:08:13,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:08:13,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:08:13,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:08:13,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:08:13,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:08:13,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:08:13,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:08:13,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:08:13,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:08:13,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:08:13,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:08:13,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:08:13,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:08:13,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:08:13,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:08:13,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:08:13,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:08:13,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:08:13,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:08:13,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 18:08:13,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:08:13,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:08:13,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:08:13,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:08:13,666 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:08:13,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:08:13,666 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:08:13,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:08:13,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:08:13,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:08:13,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:08:13,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:08:13,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:08:13,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:08:13,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:08:13,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:08:13,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:08:13,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:08:13,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:08:13,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:08:13,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:08:13,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:08:13,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:08:13,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:08:13,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:08:13,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:08:13,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:08:13,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:08:13,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:08:13,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:08:13,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:08:14,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:08:14,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:08:14,015 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:08:14,016 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:08:14,017 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-10-12 18:08:14,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/464bc5211/ada66ca014c64889b1c459302682e7de/FLAG542e6933c [2020-10-12 18:08:14,654 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:08:14,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-10-12 18:08:14,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/464bc5211/ada66ca014c64889b1c459302682e7de/FLAG542e6933c [2020-10-12 18:08:14,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/464bc5211/ada66ca014c64889b1c459302682e7de [2020-10-12 18:08:14,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:08:14,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:08:14,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:08:14,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:08:14,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:08:14,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:08:14" (1/1) ... [2020-10-12 18:08:14,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ac6c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:14, skipping insertion in model container [2020-10-12 18:08:14,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:08:14" (1/1) ... [2020-10-12 18:08:14,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:08:14,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:08:15,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:08:15,456 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:08:15,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:08:15,591 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:08:15,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15 WrapperNode [2020-10-12 18:08:15,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:08:15,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:08:15,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:08:15,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:08:15,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... [2020-10-12 18:08:15,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:08:15,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:08:15,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:08:15,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:08:15,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:08:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:08:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:08:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 18:08:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 18:08:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 18:08:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 18:08:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 18:08:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 18:08:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 18:08:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 18:08:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 18:08:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 18:08:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 18:08:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 18:08:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-12 18:08:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 18:08:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 18:08:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 18:08:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 18:08:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 18:08:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 18:08:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 18:08:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 18:08:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 18:08:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-12 18:08:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-12 18:08:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 18:08:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 18:08:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 18:08:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 18:08:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:08:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:08:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 18:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 18:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 18:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 18:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 18:08:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 18:08:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-12 18:08:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 18:08:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-12 18:08:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 18:08:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 18:08:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 18:08:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 18:08:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-12 18:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 18:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 18:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 18:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 18:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 18:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 18:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 18:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 18:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 18:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 18:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-12 18:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 18:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:08:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:08:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 18:08:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:08:16,956 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:08:16,957 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 18:08:16,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:08:16 BoogieIcfgContainer [2020-10-12 18:08:16,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:08:16,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:08:16,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:08:16,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:08:16,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:08:14" (1/3) ... [2020-10-12 18:08:16,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36168709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:08:16, skipping insertion in model container [2020-10-12 18:08:16,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:08:15" (2/3) ... [2020-10-12 18:08:16,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36168709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:08:16, skipping insertion in model container [2020-10-12 18:08:16,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:08:16" (3/3) ... [2020-10-12 18:08:16,974 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-10-12 18:08:16,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:08:16,994 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:08:17,010 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:08:17,038 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:08:17,038 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:08:17,038 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:08:17,039 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:08:17,039 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:08:17,039 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:08:17,039 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:08:17,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:08:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-10-12 18:08:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-12 18:08:17,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:17,076 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:17,076 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:17,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:17,083 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2020-10-12 18:08:17,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:17,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594859660] [2020-10-12 18:08:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:17,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:17,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:19,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:21,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:21,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 18:08:21,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:08:21,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4600 [2020-10-12 18:08:21,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:08:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 18:08:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 18:08:22,426 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:08:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:22,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 18:08:22,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:08:22,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:22,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:08:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:22,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:22,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:08:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:22,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:22,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:08:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:22,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:22,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:08:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:22,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:08:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:22,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:22,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:22,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:08:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:22,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:08:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:08:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:22,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:22,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:08:22,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:22,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:22,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:22,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 18:08:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:22,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:22,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:22,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 18:08:22,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 18:08:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:22,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:22,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:22,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:22,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:08:22,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:22,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 18:08:22,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594859660] [2020-10-12 18:08:22,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:08:22,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 18:08:22,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156980776] [2020-10-12 18:08:22,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:08:22,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:08:22,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:08:22,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:08:22,788 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 8 states. [2020-10-12 18:08:23,402 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:24,147 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:08:25,174 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:25,494 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:25,969 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:08:26,227 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:08:26,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:08:26,801 INFO L93 Difference]: Finished difference Result 399 states and 527 transitions. [2020-10-12 18:08:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:08:26,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-12 18:08:26,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:08:26,820 INFO L225 Difference]: With dead ends: 399 [2020-10-12 18:08:26,820 INFO L226 Difference]: Without dead ends: 247 [2020-10-12 18:08:26,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:08:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-12 18:08:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 215. [2020-10-12 18:08:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-12 18:08:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 259 transitions. [2020-10-12 18:08:26,940 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 259 transitions. Word has length 59 [2020-10-12 18:08:26,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:08:26,940 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 259 transitions. [2020-10-12 18:08:26,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:08:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 259 transitions. [2020-10-12 18:08:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 18:08:26,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:26,946 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:26,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:08:26,947 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:26,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:26,947 INFO L82 PathProgramCache]: Analyzing trace with hash 516367047, now seen corresponding path program 1 times [2020-10-12 18:08:26,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:26,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878234556] [2020-10-12 18:08:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:08:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-12 18:08:27,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 18:08:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,524 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:08:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:08:27,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:08:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:27,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:08:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:27,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:08:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:08:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:27,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:08:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:08:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:27,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 18:08:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:08:27,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:08:27,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 18:08:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:08:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:08:27,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:08:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:08:27,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:08:27,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:08:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:27,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:08:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:08:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:08:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:08:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 18:08:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:27,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 18:08:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:27,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:27,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:27,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:27,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:27,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:27,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:27,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:08:27,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878234556] [2020-10-12 18:08:27,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:08:27,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 18:08:27,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111756351] [2020-10-12 18:08:27,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:08:27,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:08:27,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:08:27,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:08:27,822 INFO L87 Difference]: Start difference. First operand 215 states and 259 transitions. Second operand 8 states. [2020-10-12 18:08:28,954 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:29,232 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:29,463 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:08:30,237 INFO L93 Difference]: Finished difference Result 469 states and 630 transitions. [2020-10-12 18:08:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:08:30,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-10-12 18:08:30,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:08:30,244 INFO L225 Difference]: With dead ends: 469 [2020-10-12 18:08:30,244 INFO L226 Difference]: Without dead ends: 282 [2020-10-12 18:08:30,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:08:30,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-12 18:08:30,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 225. [2020-10-12 18:08:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-12 18:08:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2020-10-12 18:08:30,306 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 93 [2020-10-12 18:08:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:08:30,306 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2020-10-12 18:08:30,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:08:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2020-10-12 18:08:30,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 18:08:30,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:30,309 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:30,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:08:30,310 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:30,310 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2020-10-12 18:08:30,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:30,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252009997] [2020-10-12 18:08:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:30,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:30,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:30,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:08:30,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:30,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-12 18:08:30,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:08:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 18:08:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:08:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,004 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:08:31,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 18:08:31,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:31,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:08:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:31,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:31,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:08:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:31,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:31,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:08:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:31,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:31,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:08:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:31,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:31,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:08:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:08:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 18:08:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:08:31,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:08:31,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:08:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:08:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:08:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:08:31,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:08:31,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:08:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 18:08:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:08:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:08:31,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:08:31,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:08:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:08:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:08:31,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:08:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 18:08:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:31,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 18:08:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:31,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:31,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:31,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:31,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:31,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:31,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:31,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:31,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:31,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:31,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:08:31,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252009997] [2020-10-12 18:08:31,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:08:31,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 18:08:31,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691486781] [2020-10-12 18:08:31,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:08:31,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:08:31,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:08:31,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:08:31,363 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand 9 states. [2020-10-12 18:08:32,600 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:32,837 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:08:33,110 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:33,347 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:08:34,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:08:34,000 INFO L93 Difference]: Finished difference Result 481 states and 632 transitions. [2020-10-12 18:08:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:08:34,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-10-12 18:08:34,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:08:34,005 INFO L225 Difference]: With dead ends: 481 [2020-10-12 18:08:34,006 INFO L226 Difference]: Without dead ends: 284 [2020-10-12 18:08:34,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-12 18:08:34,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-12 18:08:34,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 230. [2020-10-12 18:08:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-12 18:08:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 280 transitions. [2020-10-12 18:08:34,058 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 280 transitions. Word has length 93 [2020-10-12 18:08:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:08:34,059 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 280 transitions. [2020-10-12 18:08:34,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:08:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 280 transitions. [2020-10-12 18:08:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 18:08:34,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:34,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:34,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:08:34,062 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2020-10-12 18:08:34,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:34,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798387022] [2020-10-12 18:08:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:34,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:34,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:34,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 18:08:34,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 637 [2020-10-12 18:08:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:08:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:08:34,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,012 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:08:35,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:08:35,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:08:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:08:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:35,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:35,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:08:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:35,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:35,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:08:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:35,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:08:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:08:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:08:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:08:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 18:08:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:08:35,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:08:35,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 18:08:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:08:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:08:35,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:08:35,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 18:08:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:08:35,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:08:35,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:08:35,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:08:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:08:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:35,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 18:08:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:08:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:35,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 18:08:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:35,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 18:08:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:35,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:35,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:35,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:35,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:08:35,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798387022] [2020-10-12 18:08:35,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:08:35,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:08:35,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359298259] [2020-10-12 18:08:35,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:08:35,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:08:35,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:08:35,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:08:35,289 INFO L87 Difference]: Start difference. First operand 230 states and 280 transitions. Second operand 7 states. [2020-10-12 18:08:35,896 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:36,533 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:38,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:08:38,885 INFO L93 Difference]: Finished difference Result 711 states and 969 transitions. [2020-10-12 18:08:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 18:08:38,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-12 18:08:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:08:38,891 INFO L225 Difference]: With dead ends: 711 [2020-10-12 18:08:38,891 INFO L226 Difference]: Without dead ends: 499 [2020-10-12 18:08:38,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:08:38,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-12 18:08:38,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 440. [2020-10-12 18:08:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-10-12 18:08:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 555 transitions. [2020-10-12 18:08:38,982 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 555 transitions. Word has length 93 [2020-10-12 18:08:38,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:08:38,983 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 555 transitions. [2020-10-12 18:08:38,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:08:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 555 transitions. [2020-10-12 18:08:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-12 18:08:38,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:38,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:38,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:08:38,986 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:38,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:38,987 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2020-10-12 18:08:38,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:38,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848076160] [2020-10-12 18:08:38,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:39,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:40,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:40,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 18:08:40,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:08:40,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1521 [2020-10-12 18:08:40,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:40,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:08:40,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:40,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:08:40,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:40,869 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:08:40,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:40,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:40,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:40,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:40,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 18:08:40,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:08:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:40,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:08:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:40,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:40,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:40,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:40,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:08:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:40,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:40,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:40,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:40,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:40,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:40,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:08:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:40,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:40,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:40,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:08:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:40,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:40,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:40,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:40,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:40,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:08:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:41,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:41,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:08:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:41,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:08:41,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:08:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:08:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:08:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 18:08:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:41,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:41,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:08:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:41,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:41,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 18:08:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:08:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:08:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:08:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:08:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:41,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:08:41,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:41,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:08:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:08:41,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:41,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:08:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 18:08:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:41,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:41,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:08:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 18:08:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:41,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:41,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:41,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:41,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:41,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:08:41,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848076160] [2020-10-12 18:08:41,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:08:41,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 18:08:41,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597941942] [2020-10-12 18:08:41,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:08:41,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:08:41,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:08:41,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:08:41,187 INFO L87 Difference]: Start difference. First operand 440 states and 555 transitions. Second operand 12 states. [2020-10-12 18:08:41,765 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:42,394 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:43,322 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-12 18:08:43,576 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:08:43,864 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:08:44,145 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:08:45,911 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:08:46,189 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:08:47,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:08:47,419 INFO L93 Difference]: Finished difference Result 1342 states and 1890 transitions. [2020-10-12 18:08:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 18:08:47,419 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-12 18:08:47,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:08:47,428 INFO L225 Difference]: With dead ends: 1342 [2020-10-12 18:08:47,429 INFO L226 Difference]: Without dead ends: 983 [2020-10-12 18:08:47,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=309, Invalid=1023, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:08:47,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-10-12 18:08:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 845. [2020-10-12 18:08:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-10-12 18:08:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1074 transitions. [2020-10-12 18:08:47,639 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1074 transitions. Word has length 97 [2020-10-12 18:08:47,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:08:47,639 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1074 transitions. [2020-10-12 18:08:47,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:08:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1074 transitions. [2020-10-12 18:08:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 18:08:47,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:47,644 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:47,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:08:47,644 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:47,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:47,645 INFO L82 PathProgramCache]: Analyzing trace with hash -715889533, now seen corresponding path program 1 times [2020-10-12 18:08:47,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:47,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252467397] [2020-10-12 18:08:47,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:47,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:47,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:48,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:48,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:52,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:52,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 18:08:52,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:08:52,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:08:52,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:08:52,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:52,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-12 18:08:52,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:53,001 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:08:53,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 18:08:53,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:08:53,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:08:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:53,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:08:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:53,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:53,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:08:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:53,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:08:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:08:53,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:08:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:08:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 40 [2020-10-12 18:08:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:08:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:53,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 18:08:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:08:53,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:08:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:08:53,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:08:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:53,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:08:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:08:53,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:53,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:08:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:08:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:08:53,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:08:53,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:08:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:08:53,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:08:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:08:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:08:53,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:53,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:08:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 18:08:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:08:53,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:08:53,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:08:53,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:08:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 18:08:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:08:53,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:08:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:08:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:08:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 18:08:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 18:08:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:53,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:53,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:08:53,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:08:53,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:08:53,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:08:53,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:08:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:08:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:08:53,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:08:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:08:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 18:08:53,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252467397] [2020-10-12 18:08:53,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:08:53,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:08:53,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958140717] [2020-10-12 18:08:53,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:08:53,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:08:53,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:08:53,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:08:53,479 INFO L87 Difference]: Start difference. First operand 845 states and 1074 transitions. Second operand 9 states. [2020-10-12 18:08:54,084 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:08:55,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:08:55,784 INFO L93 Difference]: Finished difference Result 1743 states and 2340 transitions. [2020-10-12 18:08:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:08:55,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 133 [2020-10-12 18:08:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:08:55,797 INFO L225 Difference]: With dead ends: 1743 [2020-10-12 18:08:55,797 INFO L226 Difference]: Without dead ends: 926 [2020-10-12 18:08:55,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:08:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-12 18:08:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 769. [2020-10-12 18:08:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-10-12 18:08:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 965 transitions. [2020-10-12 18:08:55,976 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 965 transitions. Word has length 133 [2020-10-12 18:08:55,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:08:55,977 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 965 transitions. [2020-10-12 18:08:55,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:08:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 965 transitions. [2020-10-12 18:08:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 18:08:55,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:08:55,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:08:55,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:08:55,985 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:08:55,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:08:55,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2020-10-12 18:08:55,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:08:55,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777624869] [2020-10-12 18:08:55,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:08:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:08:56,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:56,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:56,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:59,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:08:59,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:09:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:09:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:09:01,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,399 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:09:01,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:09:01,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:09:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:09:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:01,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:09:01,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:09:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:09:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:09:01,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:09:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:01,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:01,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:09:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:09:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:09:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:09:01,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:09:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:09:01,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 18:09:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:09:01,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:09:01,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 18:09:01,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 18:09:01,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:01,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:09:01,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:09:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:09:01,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:01,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:09:01,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:01,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:09:01,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:01,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:09:01,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:01,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:09:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:01,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:09:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:09:01,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:09:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:09:01,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:09:01,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:09:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 18:09:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:01,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:01,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:09:01,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:01,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:01,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 18:09:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:01,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:01,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:09:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:09:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 18:09:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:09:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:09:01,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 18:09:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:09:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:01,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:09:01,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:09:01,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:01,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:09:01,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:02,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:02,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:02,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:09:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:09:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:02,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:02,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:02,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:02,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:02,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:02,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:02,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:02,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:09:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:02,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:02,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:02,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:02,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:02,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 18:09:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:02,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:02,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:02,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:02,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:02,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:09:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:02,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:02,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 18:09:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:02,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:02,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:02,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:02,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:02,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:09:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 18:09:02,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777624869] [2020-10-12 18:09:02,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:09:02,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 18:09:02,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471148760] [2020-10-12 18:09:02,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 18:09:02,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:09:02,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 18:09:02,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-10-12 18:09:02,108 INFO L87 Difference]: Start difference. First operand 769 states and 965 transitions. Second operand 20 states. [2020-10-12 18:09:02,719 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:03,519 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:04,847 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:05,157 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:05,435 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:05,688 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:05,966 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:06,224 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:06,836 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:07,335 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-12 18:09:07,792 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-12 18:09:08,243 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-12 18:09:08,796 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:09,145 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:09,384 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:11,243 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:11,560 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:11,798 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:12,271 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-10-12 18:09:13,198 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-10-12 18:09:13,481 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:13,959 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-10-12 18:09:14,210 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:14,649 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-10-12 18:09:14,896 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:16,864 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-10-12 18:09:17,424 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-10-12 18:09:17,920 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-10-12 18:09:18,411 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-10-12 18:09:19,192 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-10-12 18:09:19,676 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-10-12 18:09:20,138 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-10-12 18:09:23,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:09:23,547 INFO L93 Difference]: Finished difference Result 2731 states and 4319 transitions. [2020-10-12 18:09:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-10-12 18:09:23,548 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 159 [2020-10-12 18:09:23,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:09:23,563 INFO L225 Difference]: With dead ends: 2731 [2020-10-12 18:09:23,563 INFO L226 Difference]: Without dead ends: 1831 [2020-10-12 18:09:23,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3086 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=1380, Invalid=7550, Unknown=0, NotChecked=0, Total=8930 [2020-10-12 18:09:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2020-10-12 18:09:23,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1529. [2020-10-12 18:09:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1529 states. [2020-10-12 18:09:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2004 transitions. [2020-10-12 18:09:23,847 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2004 transitions. Word has length 159 [2020-10-12 18:09:23,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:09:23,848 INFO L479 AbstractCegarLoop]: Abstraction has 1529 states and 2004 transitions. [2020-10-12 18:09:23,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 18:09:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2004 transitions. [2020-10-12 18:09:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 18:09:23,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:09:23,851 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:09:23,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:09:23,851 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:09:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:09:23,852 INFO L82 PathProgramCache]: Analyzing trace with hash 991220406, now seen corresponding path program 1 times [2020-10-12 18:09:23,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:09:23,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338187193] [2020-10-12 18:09:23,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:09:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:24,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:24,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:28,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-12 18:09:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:09:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:09:28,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:09:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-12 18:09:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 18:09:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,175 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:09:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:09:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:29,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:09:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:29,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:09:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:09:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:29,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:09:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:09:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:29,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 18:09:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:09:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:09:29,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:29,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:29,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:09:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:09:29,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:29,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:09:29,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:29,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:09:29,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:09:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:09:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:09:29,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:29,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:29,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 18:09:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:29,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:09:29,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:09:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:09:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:29,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:09:29,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:29,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 18:09:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:29,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:29,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:09:29,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 18:09:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:09:29,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:09:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:09:29,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:09:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:09:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 18:09:29,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:09:29,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:09:29,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:09:29,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:29,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:09:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:29,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:29,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:09:29,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:09:29,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:09:29,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:29,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:29,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:29,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 18:09:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:29,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:09:29,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 18:09:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:29,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:29,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:29,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:29,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:29,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:09:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:09:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 18:09:29,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338187193] [2020-10-12 18:09:29,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:09:29,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 18:09:29,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178173632] [2020-10-12 18:09:29,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 18:09:29,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:09:29,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 18:09:29,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:09:29,594 INFO L87 Difference]: Start difference. First operand 1529 states and 2004 transitions. Second operand 13 states. [2020-10-12 18:09:30,095 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:30,918 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:09:31,180 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:09:31,904 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:32,188 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:32,452 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-12 18:09:33,148 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:33,598 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:09:34,234 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:09:34,645 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 18:09:35,001 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 18:09:35,298 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 18:09:35,645 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 18:09:36,003 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-12 18:09:36,597 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 18:09:37,068 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 18:09:37,858 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 18:09:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:09:39,494 INFO L93 Difference]: Finished difference Result 3603 states and 4925 transitions. [2020-10-12 18:09:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 18:09:39,495 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 159 [2020-10-12 18:09:39,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:09:39,509 INFO L225 Difference]: With dead ends: 3603 [2020-10-12 18:09:39,509 INFO L226 Difference]: Without dead ends: 2123 [2020-10-12 18:09:39,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=544, Invalid=1712, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 18:09:39,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-10-12 18:09:39,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1864. [2020-10-12 18:09:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2020-10-12 18:09:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2315 transitions. [2020-10-12 18:09:39,903 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2315 transitions. Word has length 159 [2020-10-12 18:09:39,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:09:39,904 INFO L479 AbstractCegarLoop]: Abstraction has 1864 states and 2315 transitions. [2020-10-12 18:09:39,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 18:09:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2315 transitions. [2020-10-12 18:09:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-12 18:09:39,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:09:39,917 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:09:39,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:09:39,917 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:09:39,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:09:39,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1705179711, now seen corresponding path program 1 times [2020-10-12 18:09:39,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:09:39,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489763822] [2020-10-12 18:09:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:09:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:39,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:40,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:40,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:40,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:40,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:40,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:44,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 18:09:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 18:09:44,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,216 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:09:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:09:45,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:09:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:09:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:09:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:09:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:45,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:09:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:09:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 18:09:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:09:45,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:09:45,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 18:09:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:45,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:09:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:09:45,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:09:45,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:09:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:09:45,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:09:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:09:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:09:45,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:09:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:09:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 18:09:45,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:09:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 18:09:45,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:09:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:09:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:09:45,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:45,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:09:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:09:45,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:09:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:09:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:09:45,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 18:09:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:09:45,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:09:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:09:45,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:09:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:09:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:09:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:09:45,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:09:45,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:09:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:09:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:09:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:45,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 18:09:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:09:45,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 18:09:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:09:45,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:09:45,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:09:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:09:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:09:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:09:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 18:09:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 18:09:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:09:45,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-12 18:09:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:45,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:09:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 18:09:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 18:09:45,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:45,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:09:45,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:09:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:09:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:09:45,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 18:09:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:09:45,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:09:45,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 18:09:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:09:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 18:09:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:09:45,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:09:45,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 18:09:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 18:09:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:09:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:09:45,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:09:45,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:09:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:09:45,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:09:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:09:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 18:09:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:09:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-12 18:09:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:09:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:09:45,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:09:45,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:09:45,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:09:45,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:09:45,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:09:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:09:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:09:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:09:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:09:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 67 proven. 44 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-12 18:09:45,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489763822] [2020-10-12 18:09:45,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:09:45,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 18:09:45,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363056149] [2020-10-12 18:09:45,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 18:09:45,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:09:45,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 18:09:45,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2020-10-12 18:09:45,986 INFO L87 Difference]: Start difference. First operand 1864 states and 2315 transitions. Second operand 21 states. [2020-10-12 18:09:46,623 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:09:47,861 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:09:48,622 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:09:48,997 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:49,274 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:49,535 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:49,859 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:09:50,128 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:09:51,328 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:09:51,594 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:09:51,870 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:09:52,128 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:09:52,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:09:52,782 INFO L93 Difference]: Finished difference Result 2271 states and 2824 transitions. [2020-10-12 18:09:52,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 18:09:52,783 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 272 [2020-10-12 18:09:52,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:09:52,785 INFO L225 Difference]: With dead ends: 2271 [2020-10-12 18:09:52,788 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 18:09:52,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=382, Invalid=1874, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 18:09:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 18:09:52,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 18:09:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 18:09:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 18:09:52,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2020-10-12 18:09:52,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:09:52,803 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 18:09:52,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 18:09:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 18:09:52,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 18:09:52,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:09:52,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 18:09:53,158 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 34 [2020-10-12 18:09:53,851 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 207 [2020-10-12 18:09:54,200 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-10-12 18:09:54,973 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 246 [2020-10-12 18:09:59,078 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 224 [2020-10-12 18:09:59,457 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 246 [2020-10-12 18:09:59,712 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 244 [2020-10-12 18:10:01,376 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 44 [2020-10-12 18:10:02,138 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-10-12 18:10:02,285 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-12 18:10:02,604 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 23 [2020-10-12 18:10:02,771 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-12 18:10:03,884 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 188 DAG size of output: 40 [2020-10-12 18:10:04,070 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-12 18:10:04,251 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-12 18:10:05,231 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 44 [2020-10-12 18:10:05,741 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-12 18:10:05,948 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-12 18:10:06,138 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:06,328 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:06,831 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 21 [2020-10-12 18:10:07,028 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:10:07,203 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-12 18:10:07,759 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 42 [2020-10-12 18:10:08,927 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 210 DAG size of output: 39 [2020-10-12 18:10:09,142 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-12 18:10:09,335 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-12 18:10:09,874 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 22 [2020-10-12 18:10:10,063 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2020-10-12 18:10:10,558 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 21 [2020-10-12 18:10:11,132 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 33 [2020-10-12 18:10:11,631 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 21 [2020-10-12 18:10:12,388 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 53 [2020-10-12 18:10:12,931 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-12 18:10:13,198 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 31 [2020-10-12 18:10:13,390 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-10-12 18:10:13,833 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 23 [2020-10-12 18:10:14,084 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:14,509 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 23 [2020-10-12 18:10:14,700 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:15,006 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 21 [2020-10-12 18:10:15,154 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-12 18:10:15,341 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:15,564 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 23 [2020-10-12 18:10:15,789 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-10-12 18:10:15,978 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:16,179 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 30 [2020-10-12 18:10:16,362 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-12 18:10:17,503 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 188 DAG size of output: 40 [2020-10-12 18:10:17,757 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-12 18:10:18,743 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 56 [2020-10-12 18:10:19,422 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 31 [2020-10-12 18:10:19,805 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-10-12 18:10:19,809 INFO L268 CegarLoopResult]: For program point L543(lines 520 544) no Hoare annotation was computed. [2020-10-12 18:10:19,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2020-10-12 18:10:19,810 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-12 18:10:19,810 INFO L268 CegarLoopResult]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2020-10-12 18:10:19,810 INFO L268 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-12 18:10:19,810 INFO L268 CegarLoopResult]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point L604(lines 577 605) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2020-10-12 18:10:19,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2020-10-12 18:10:19,812 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-10-12 18:10:19,812 INFO L268 CegarLoopResult]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2020-10-12 18:10:19,812 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-12 18:10:19,812 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-10-12 18:10:19,812 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-10-12 18:10:19,812 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-10-12 18:10:19,812 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-10-12 18:10:19,812 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-10-12 18:10:19,813 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= ~waterLevel~0 1)) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-12 18:10:19,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2020-10-12 18:10:19,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2020-10-12 18:10:19,813 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-10-12 18:10:19,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2020-10-12 18:10:19,813 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-10-12 18:10:19,814 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2020-10-12 18:10:19,814 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2020-10-12 18:10:19,814 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-10-12 18:10:19,814 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2020-10-12 18:10:19,814 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-10-12 18:10:19,814 INFO L268 CegarLoopResult]: For program point L841(lines 841 851) no Hoare annotation was computed. [2020-10-12 18:10:19,814 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0 (and (<= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~8) (<= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0))))) [2020-10-12 18:10:19,815 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-10-12 18:10:19,815 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-10-12 18:10:19,815 INFO L268 CegarLoopResult]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2020-10-12 18:10:19,815 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-10-12 18:10:19,815 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-10-12 18:10:19,815 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,815 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-10-12 18:10:19,816 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,816 INFO L264 CegarLoopResult]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,816 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-10-12 18:10:19,816 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-10-12 18:10:19,816 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-10-12 18:10:19,816 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,817 INFO L264 CegarLoopResult]: At program point L976(line 976) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,817 INFO L264 CegarLoopResult]: At program point L976-1(line 976) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,817 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-10-12 18:10:19,817 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2020-10-12 18:10:19,817 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2020-10-12 18:10:19,817 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2020-10-12 18:10:19,817 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-10-12 18:10:19,817 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-10-12 18:10:19,818 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2020-10-12 18:10:19,819 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2020-10-12 18:10:19,819 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point L194(lines 194 202) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-10-12 18:10:19,820 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point L783(lines 783 790) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point L777(lines 777 797) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2020-10-12 18:10:19,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2020-10-12 18:10:19,822 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (not (= ~waterLevel~0 1)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-12 18:10:19,822 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2020-10-12 18:10:19,823 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2020-10-12 18:10:19,823 INFO L268 CegarLoopResult]: For program point L424(lines 424 430) no Hoare annotation was computed. [2020-10-12 18:10:19,823 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2020-10-12 18:10:19,823 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2020-10-12 18:10:19,823 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2020-10-12 18:10:19,823 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2020-10-12 18:10:19,823 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))))) [2020-10-12 18:10:19,823 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse2 .cse4 (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1 .cse3 .cse4))) [2020-10-12 18:10:19,823 INFO L268 CegarLoopResult]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2020-10-12 18:10:19,824 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-10-12 18:10:19,824 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~waterLevel~0))) (or .cse4 .cse0 .cse1 .cse2 (and (not (= 0 processEnvironment_~tmp~1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-10-12 18:10:19,824 INFO L268 CegarLoopResult]: For program point L134(lines 134 142) no Hoare annotation was computed. [2020-10-12 18:10:19,824 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-12 18:10:19,824 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-10-12 18:10:19,824 INFO L268 CegarLoopResult]: For program point L130(lines 130 147) no Hoare annotation was computed. [2020-10-12 18:10:19,824 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2020-10-12 18:10:19,824 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2020-10-12 18:10:19,824 INFO L264 CegarLoopResult]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:10:19,824 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-10-12 18:10:19,824 INFO L268 CegarLoopResult]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2020-10-12 18:10:19,825 INFO L264 CegarLoopResult]: At program point L331(lines 282 332) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-10-12 18:10:19,825 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-10-12 18:10:19,825 INFO L264 CegarLoopResult]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0)))) [2020-10-12 18:10:19,825 INFO L268 CegarLoopResult]: For program point L284(lines 283 330) no Hoare annotation was computed. [2020-10-12 18:10:19,825 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0)))) [2020-10-12 18:10:19,825 INFO L268 CegarLoopResult]: For program point L313(lines 313 326) no Hoare annotation was computed. [2020-10-12 18:10:19,825 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-12 18:10:19,825 INFO L268 CegarLoopResult]: For program point L303(lines 303 309) no Hoare annotation was computed. [2020-10-12 18:10:19,825 INFO L268 CegarLoopResult]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2020-10-12 18:10:19,826 INFO L264 CegarLoopResult]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0)))) [2020-10-12 18:10:19,826 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0)))) [2020-10-12 18:10:19,826 INFO L268 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-10-12 18:10:19,826 INFO L268 CegarLoopResult]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2020-10-12 18:10:19,826 INFO L268 CegarLoopResult]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2020-10-12 18:10:19,826 INFO L268 CegarLoopResult]: For program point L737(lines 737 744) no Hoare annotation was computed. [2020-10-12 18:10:19,826 INFO L268 CegarLoopResult]: For program point L731(lines 731 751) no Hoare annotation was computed. [2020-10-12 18:10:19,826 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point L396(lines 396 404) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2020-10-12 18:10:19,827 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L702(lines 702 713) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L665(lines 665 669) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L684(lines 662 685) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L643(lines 643 659) no Hoare annotation was computed. [2020-10-12 18:10:19,828 INFO L268 CegarLoopResult]: For program point L703(lines 703 710) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point L664(lines 663 683) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point L660(lines 660 701) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-10-12 18:10:19,829 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-10-12 18:10:19,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,830 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-12 18:10:19,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,830 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2020-10-12 18:10:19,830 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2020-10-12 18:10:19,830 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-12 18:10:19,830 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2020-10-12 18:10:19,831 INFO L268 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-10-12 18:10:19,831 INFO L271 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: true [2020-10-12 18:10:19,831 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2020-10-12 18:10:19,831 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2020-10-12 18:10:19,831 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-10-12 18:10:19,831 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2020-10-12 18:10:19,831 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2020-10-12 18:10:19,831 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2020-10-12 18:10:19,831 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2020-10-12 18:10:19,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2020-10-12 18:10:19,833 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse3 (and .cse10 .cse11 .cse8 .cse1)) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse6 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not .cse11)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or (let ((.cse7 (+ ~waterLevel~0 1))) (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse6 (<= .cse7 |old(~waterLevel~0)|) .cse8 (<= |old(~waterLevel~0)| .cse7) .cse9)) (not (= |old(~waterLevel~0)| 2)) (and .cse6 .cse8 (<= 2 ~waterLevel~0) .cse1 (<= ~waterLevel~0 2) .cse9) .cse4) (or .cse3 (and .cse6 .cse10 .cse8 .cse9) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4 .cse5) (or .cse0 (and .cse6 .cse9) .cse4 .cse2)))) [2020-10-12 18:10:19,833 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 0))) (.cse0 (and .cse4 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse4 .cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse2)))) [2020-10-12 18:10:19,833 INFO L264 CegarLoopResult]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= 1 ~systemActive~0)) (.cse8 (<= ~waterLevel~0 2))) (let ((.cse4 (and .cse13 .cse14 (<= 2 ~waterLevel~0) .cse8)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse12 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not .cse14)) (.cse2 (and .cse13 .cse7)) (.cse3 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse6 (and (= ~waterLevel~0 1) .cse7) .cse1) (or .cse4 .cse5 (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse7 .cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse0) (or .cse9 .cse10 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse0 .cse1) (or .cse6 (and .cse11 .cse12) .cse0 .cse1) (or (and .cse11 .cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12) .cse9 .cse10 .cse0 .cse2 .cse3)))) [2020-10-12 18:10:19,833 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2020-10-12 18:10:19,834 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse1) (or (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse2) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (not (= |old(~waterLevel~0)| 2)) .cse0))) [2020-10-12 18:10:19,834 INFO L268 CegarLoopResult]: For program point L72(lines 68 90) no Hoare annotation was computed. [2020-10-12 18:10:19,834 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2020-10-12 18:10:19,834 INFO L268 CegarLoopResult]: For program point L70(lines 68 90) no Hoare annotation was computed. [2020-10-12 18:10:19,834 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2020-10-12 18:10:19,834 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse6 .cse2 .cse3)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (and (= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse0 .cse4 .cse1 .cse5) (or (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse6 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4 .cse5)))) [2020-10-12 18:10:19,834 INFO L271 CegarLoopResult]: At program point L923(lines 898 927) the Hoare annotation is: true [2020-10-12 18:10:19,834 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-10-12 18:10:19,834 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-10-12 18:10:19,835 INFO L264 CegarLoopResult]: At program point L912-1(lines 912 916) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (and .cse8 .cse4)) (.cse3 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse6 (<= ~waterLevel~0 0))) (or (and (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse7) (not (= |old(~waterLevel~0)| 2)) .cse0 (and .cse4 .cse6) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (and .cse5 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse2 .cse3)))) [2020-10-12 18:10:19,835 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-10-12 18:10:19,835 INFO L264 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (and .cse8 .cse4)) (.cse3 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse6 (<= ~waterLevel~0 0))) (or (and (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse7) (not (= |old(~waterLevel~0)| 2)) .cse0 (and .cse4 .cse6) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (and .cse5 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse2 .cse3)))) [2020-10-12 18:10:19,835 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse6 .cse2 .cse3)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (and (= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse0 .cse4 .cse1 .cse5) (or (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse6 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4 .cse5)))) [2020-10-12 18:10:19,835 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-10-12 18:10:19,836 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= |old(~waterLevel~0)| 2)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-12 18:10:19,836 INFO L268 CegarLoopResult]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2020-10-12 18:10:19,836 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2020-10-12 18:10:19,836 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2020-10-12 18:10:19,836 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2020-10-12 18:10:19,836 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,836 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-12 18:10:19,836 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 18:10:19,837 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:10:19,837 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2020-10-12 18:10:19,837 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= 2 ~waterLevel~0))))) [2020-10-12 18:10:19,837 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2020-10-12 18:10:19,837 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse2 .cse1 .cse3 .cse4))) [2020-10-12 18:10:19,837 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2020-10-12 18:10:19,838 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2020-10-12 18:10:19,838 INFO L268 CegarLoopResult]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2020-10-12 18:10:19,838 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 1)))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3 .cse4))) [2020-10-12 18:10:19,838 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2020-10-12 18:10:19,838 INFO L268 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-10-12 18:10:19,839 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse2 .cse1 .cse3 .cse4))) [2020-10-12 18:10:19,839 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-10-12 18:10:19,839 INFO L268 CegarLoopResult]: For program point L104(lines 104 121) no Hoare annotation was computed. [2020-10-12 18:10:19,839 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2020-10-12 18:10:19,839 INFO L268 CegarLoopResult]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2020-10-12 18:10:19,839 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2)) .cse0) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) .cse0))) [2020-10-12 18:10:19,839 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-12 18:10:19,840 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-12 18:10:19,840 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-12 18:10:19,840 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-12 18:10:19,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:10:19 BoogieIcfgContainer [2020-10-12 18:10:19,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:10:19,873 INFO L168 Benchmark]: Toolchain (without parser) took 124935.91 ms. Allocated memory was 145.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 100.1 MB in the beginning and 765.4 MB in the end (delta: -665.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-12 18:10:19,873 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 18:10:19,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.35 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 99.7 MB in the beginning and 169.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-12 18:10:19,876 INFO L168 Benchmark]: Boogie Preprocessor took 88.43 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 163.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-12 18:10:19,877 INFO L168 Benchmark]: RCFGBuilder took 1281.37 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 163.9 MB in the beginning and 193.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-10-12 18:10:19,878 INFO L168 Benchmark]: TraceAbstraction took 122905.22 ms. Allocated memory was 232.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 191.6 MB in the beginning and 765.4 MB in the end (delta: -573.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-12 18:10:19,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.35 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 99.7 MB in the beginning and 169.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.43 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 163.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1281.37 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 163.9 MB in the beginning and 193.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 122905.22 ms. Allocated memory was 232.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 191.6 MB in the beginning and 765.4 MB in the end (delta: -573.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && pumpRunning == 0)) || !(\old(waterLevel) <= 0)) && ((((((waterLevel == 1 && pumpRunning == 0) || ((switchedOnBeforeTS <= pumpRunning && waterLevel <= 0) && pumpRunning <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel <= 0)) || (2 <= waterLevel && waterLevel <= 2))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && pumpRunning == 0))) && ((((((((switchedOnBeforeTS <= pumpRunning && \old(waterLevel) == waterLevel) && pumpRunning == \old(pumpRunning)) && pumpRunning <= switchedOnBeforeTS) || !(\old(pumpRunning) <= \old(switchedOnBeforeTS))) || !(\old(switchedOnBeforeTS) <= \old(pumpRunning))) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 0)) || !(\old(waterLevel) <= 0)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && waterLevel <= 0)) || !(\old(waterLevel) == 1)) || ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2)) || (waterLevel == 1 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (((switchedOnBeforeTS <= pumpRunning && 1 == systemActive) && waterLevel <= 0) && pumpRunning <= switchedOnBeforeTS) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 95.7s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 59.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1771 SDtfs, 4803 SDslu, 3888 SDs, 0 SdLazy, 15699 SolverSat, 4029 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 750 GetRequests, 462 SyntacticMatches, 6 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4556 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1864occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1058 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 3282 PreInvPairs, 4543 NumberOfFragments, 2545 HoareAnnotationTreeSize, 3282 FomulaSimplifications, 22916989 FormulaSimplificationTreeSizeReduction, 7.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 55057 FormulaSimplificationTreeSizeReductionInter, 19.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 33.8s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1158 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1149 ConstructedInterpolants, 0 QuantifiedInterpolants, 537124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 328/381 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...